For Windows XP 64-bit and Windows Vista™ 64-bit with 64-bit CPU, there is no such limitation. Please contact your local dealer for the availability of this model in your region. capacity up to 8GBIntel Graphics Media Accelerator 3100, DirectX 9.0, Max. The RAID version of the PCIe to SATA II card comes with a BIOS level utility to set up RAID level 0 or 1.